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flavoxate

Pronunciation: flah VOX ate

Brand: Urispas

Flavoxate 100 mg-GLO

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Urispas 100 mg

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What is the most important information I should know about flavoxate?

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You should not use this medication if you are allergic to flavoxate, or if you have untreated or uncontrolled narrow-angle glaucoma, a blockage in your digestive tract (stomach or intestines), or if you are unable to urinate.

Before using flavoxate, tell your doctor if you have glaucoma or urinary problems.

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Flavoxate can cause drowsiness or blurred vision. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

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There may be other medicines that can interact with flavoxate. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor. Keep a list with you of all the medicines you use and show this list to any doctor or other healthcare provider who treats you.

Stop using this medication and call your doctor if you have serious side effects such as hot and dry skin, confusion, pounding heartbeats, fluttering in your chest, or if you stop urinating.

What is flavoxate?

Flavoxate reduces muscle spasms of the bladder and urinary tract.

Flavoxate is used to treat bladder symptoms such as frequent or urgent urination, increased night-time urination, bladder pain, and incontinence (urine leakage). These bladder symptoms are often caused by overactive bladder, prostate enlargement, bladder infections, or irritation of the urethra.

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Flavoxate will not treat a bacterial or fungal bladder infection. Infections must be treated with an antibiotic.

Flavoxate may also be used for other purposes not listed in this medication guide.

What should I discuss with my health care provider before taking flavoxate?

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You should not use this medication if you are allergic to flavoxate, or have certain conditions. Be sure your doctor knows if you have:

  • a blockage in your stomach or intestines;
  • a history of stomach ulcer or bleeding; or
  • if you are unable to urinate.

Before using flavoxate, tell your doctor if you are allergic to any drugs, or if you have:

  • glaucoma; or
  • urinary problems.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take flavoxate.

FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

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It is not known whether flavoxate passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take flavoxate?

Take this medication exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. Follow the directions on your prescription label.

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Take this medicine with water.

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Store flavoxate at room temperature away from moisture, heat, and light.

What happens if I miss a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

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Seek emergency medical attention if you think you have used too much of this medicine.

Symptoms of a flavoxate overdose are not known.

What should I avoid while taking flavoxate?

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Flavoxate can cause drowsiness or blurred vision. Be careful if you drive or do anything that requires you to be alert and able to see clearly.

What are the possible side effects of flavoxate?

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Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

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Stop using flavoxate and call your doctor at once if you have any of these serious side effects:

  • hot, dry skin and extreme thirst;
  • confusion;
  • pounding heartbeats, fluttering in your chest; or
  • urinating less than usual or not at all.

Less serious side effects may include:

  • dry mouth;
  • blurred vision;
  • nausea, vomiting;
  • drowsiness, nervousness;
  • spinning sensation;
  • headache; or
  • fever.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect flavoxate?

Tell your doctor if you are using any other bladder or urinary medications such as darifenacin (Enablex), oxybutynin (Ditropan, Oxytrol), tolterodine (Detrol), or solifenacin (Vesicare).

There may be other drugs that can interact with flavoxate. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about flavoxate.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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